Abrasive product
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 28, 1981
Grant Date -
N/A
app pub date -
Oct 12, 1979
filing date -
Oct 12, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An abrasive sheet is disclosed which can be hand held or used with known abrasive devices, has longer abrasive life than existing abrasive sheets and has a novel attachment arrangement onto an abrasive support member. The abrasive sheet has abrasive material coated on one surface and a layer of resilient open-celled flexible foam on the other surface. The abrasive sheet may be used with a support member having a support surface with a multitude of fastening protuberances projecting from the support surface. The abrasive sheet is detachably fastened to the support member by pressing the layer of resilient open-celled foam against the support surface to have the protuberances enter and grip the open-celled foam.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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